Legal claims defining the scope of protection, as filed with the USPTO.
1. A switch device comprising: a switch portion including a plurality of first input ports and a plurality of first output ports; an input side port mapping portion for inputting the signals input to a plurality of second input ports to the first input port of the switch portion through one third output port, the input side port mapping portion including the plurality of second input ports and the one third output port; an output side port mapping portion for outputting the signals output from the first output port of the switch portion from a plurality of second output ports through one third input port, the output side port mapping portion including the plurality of second output ports and the one third input port; and a central controller for carrying out a control, which allocates the signals input to the plurality of second input ports to the first input port of the switch portion, to the input side port mapping portion, carrying out a control, which allocates the signals output from the first output port of the switch portion to a plurality of second output ports, to the output side port mapping portion, and controlling the connections between the plurality of first input ports and the plurality of first output ports of the switch portion.
2. The switch device according to claim 1 , wherein the switch portion comprises switches that can expand the number of the first input ports and the first output ports.
3. The switch device according to claim 2 , wherein the switch portion comprises a plurality of switch stages.
4. The switch device according to claim 1 , wherein the switch portion comprises a plurality of switch stages.
5. The switch device according to claim 4 , wherein: the plurality of switch stages comprise an input switch stage, an output switch stage, and one or a plurality of switch stages interposed between the input switch stage and the output switch stage; each of the input switch stage, the output switch stage, and the one or the plurality of switch stages comprises one or a plurality of unit switches each including a plurality of input ports and a plurality of output ports; the switch portion comprises a plurality of controllers which control the connections between the plurality of input ports and the plurality of output ports of the one or the plurality of unit switches and at least one of the controllers is disposed to each of the input switch stage, the output switch stage, and the one or the plurality of switch stages; and the central controller controls the plurality of controllers.
6. The switch device according to claim 5 , wherein: the one or the plurality of unit switches and at least one controller of the input switch stage are disposed on one or a plurality of input line cards, the one or the plurality of unit switches and at least one controller of the output switch stage are disposed on one or a plurality of output line cards, and the one or the plurality of unit switches and at least one controller of the one or the plurality of switch stages are disposed on one or a plurality of switch cards; the switch card has a plurality of sub-switch cards, and the unit switches of one or the plurality of switch cards are disposed to each of the plurality of sub-switch cards.
7. The switch device according to claim 6 , wherein the switch card is optically connected to the input stage line card, the switch card is optically connected to the output stage line card, and optical connection is carried out among the controller on the input stage line card, the controller on the output stage line card, and the controller on the switch card, and between the controller on the switch card and the central controller.
8. The switch device according to claim 7 , wherein the unit switch on the input stage line card is an input buffer type switch, the unit switch on intermediate stage switch card is a bufferless switch, and the unit switch on the output stage line card is an output buffer type switch.
9. The switch device according to claim 7 , wherein a card on which the input side port mapping block is mounted, a card on which the output side port mapping block is mounted, the input stage line card, the switch card, and the output stage line card are accommodated in one or a plurality of chassis.
10. The switch device according to claim 7 , wherein the output line of the input stage line card connected to the switch card and the input line of the output stage line card connected to the switch card are disposed redundantly, and the signals from the input stage line card and the signals from the switch card are allocated to the redundant lines redundantly disposed as the output line of the input stage line card and the input line of the output stage line card according to the allocation control of the input side port mapping portion and the output side port mapping portion.
11. The switch device according to claim 6 , wherein the switch card is optically connected to the input stage line card, the switch card is optically connected to the output stage line card, and optical connection is carried out between the central controller and the respective controllers on the input stage line card, output stage line card and switch card.
12. The switch device according to claim 11 , wherein the unit switch on the input stage line card is an input buffer type switch, the unit switch on intermediate stage switch card is a bufferless switch, and the unit switch on the output stage line card is an output buffer type switch.
13. The switch device according to claim 11 , wherein a card on which the input side port mapping block is mounted, a card on which the output side port mapping block is mounted, the input stage line card, the switch card, and the output stage line card are accommodated in one or a plurality of chassis.
14. The switch device according to claim 11 , wherein the output line of the input stage line card connected to the switch card and the input line of the output stage line card connected to the switch card are disposed redundantly, and the signals from the input stage line card and the signals from the switch card are allocated to the redundant lines redundantly disposed as the output line of the input stage line card and the input line of the output stage line card according to the allocation control of the input side port mapping portion and the output side port mapping portion.
15. The switch device according to claim 6 , wherein the unit switch on the input stage line card is an input buffer type switch, the unit switch on intermediate stage switch card is a bufferless switch, and the unit switch on the output stage line card is an output buffer type switch.
16. The switch device according to claim 15 , wherein a card on which the input side port mapping block is mounted, a card on which the output side port mapping block is mounted, the input stage line card, the switch card, and the output stage line card are accommodated in one or a plurality of chassis.
17. The switch device according to claim 15 , wherein the output line of the input stage line card connected to the switch card and the input line of the output stage line card connected to the switch card are disposed redundantly, and the signals from the input stage line card and the signals from the switch card are allocated to the redundant lines redundantly disposed as the output line of the input stage line card and the input line of the output stage line card according to the allocation control of the input side port mapping portion and the output side port mapping portion.
18. The switch device according to claim 6 , wherein a card on which the input side port mapping block is mounted, a card on which the output side port mapping block is mounted, the input stage line card, the switch card, and the output stage line card are accommodated in one or a plurality of chassis.
19. The switch device according to claim 18 , wherein a plurality of the chassis are provided, and optical connection is carried out between the chassis.
20. The switch device according to claim 19 , wherein the output line of the input stage line card connected to the switch card and the input line of the output stage line card connected to the switch card are disposed redundantly, and the signals from the input stage line card and the signals from the switch card are allocated to the redundant lines redundantly disposed as the output line of the input stage line card and the input line of the output stage line card according to the allocation control of the input side port mapping portion and the output side port mapping portion.
21. The switch device according to claim 18 , wherein the output line of the input stage line card connected to the switch card and the input line of the output stage line card connected to the switch card are disposed redundantly, and the signals from the input stage line card and the signals from the switch card are allocated to the redundant lines redundantly disposed as the output line of the input stage line card and the input line of the output stage line card according to the allocation control of the input side port mapping portion and the output side port mapping portion.
22. The switch device according to claim 6 , wherein the output line of the input stage line card connected to the switch card and the input line of the output stage line card connected to the switch card are disposed redundantly, and the signals from the input stage line card and the signals from the switch card are allocated to the redundant lines redundantly disposed as the output line of the input stage line card and the input line of the output stage line card according to the allocation control of the input side port mapping portion and the output side port mapping portion.
23. A switching method of a switch device comprising a switch portion including a plurality of first input ports and a plurality of first output ports, an input side port mapping portion for inputting the signals input to a plurality of second input ports to the first input port of the switch portion through one third output port, and an output side port mapping portion for outputting the signals output from the first output port of the switch portion from a plurality of second output ports through one third input port, the input side port mapping portion including the plurality of second input ports and the one third output port, and the output side port mapping portion including the plurality of second output ports and the one third input port, wherein the switch portion is logically divided or integrated virtually by: carrying out a control, which allocates the signals input to the plurality of second input ports to the first input port of the switch portion, to the input side port mapping portion; carrying out a control, which allocates the signals output from the first output port of the switch portion to the plurality of second output ports, to the output side port mapping portion; and controlling the connections between the plurality of first input ports and the plurality of first output ports of the switch portion.
24. A non-transitory computer-readable recording medium with a switch control program of a switch device comprising a switch portion including a plurality of first input ports and a plurality of first output ports, an input side port mapping portion for inputting the signals input to a plurality of second input ports to the first input port of the switch portion through one third output port, an output side port mapping portion for outputting the signals output from the first output port of the switch portion from a plurality of second output ports through one third input port, and a central controller including at least an arithmetic processing unit and storage unit for controlling the switch portion, the input side port mapping portion, and the output side port mapping portion, the input side port mapping portion including the plurality of second input ports and the one third output port, and the output side port mapping portion including the plurality of second output ports and the one third input port, wherein: the arithmetic processing unit carries out a control, which allocates the signals input to the plurality of second input ports to the first input port of the switch portion, to the input side port mapping portion based on control information stored to the storage unit; the arithmetic processing unit carries out a control, which allocates the signals output from the first output port of the switch portion to a plurality of second output ports, to the output side port mapping portion based on control information stored to the storage unit; and the arithmetic processing unit controls the connections between the plurality of first input ports and the plurality of first output ports of the switch portion based on control information stored to the storage unit.
Unknown
January 18, 2011
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